Originally Posted by
catocony
Or just book an award or refundable flight, check in 24 hours ahead of time, print your boarding pass, then cancel the flight. Go to the airport later that day or the next day at your leisure.
All you need is a valid boarding pass to get past security, right?
If you've already cancelled, is it still a valid boarding pass? If TSA has a scanner at document check, like the PreCheck places, would the cancelled boarding pass flash an alert?